bool RasterRect::intersects (BoxObj& userb, Graphic* gs) { Transformer* t = gs->GetTransformer(); Coord xmax = _raster->Width(); Coord ymax = _raster->Height(); Coord tx0, ty0, tx1, ty1; if (t != nil && t->Rotated()) { Coord x[4], tx[5]; Coord y[4], ty[5]; x[0] = x[3] = y[0] = y[1] = 0; x[2] = x[1] = xmax; y[2] = y[3] = ymax; transformList(x, y, 4, tx, ty, gs); tx[4] = tx[0]; ty[4] = ty[0]; FillPolygonObj fp (tx, ty, 5); return fp.Intersects(userb); } else if (t != nil) { t->Transform(0, 0, tx0, ty0); t->Transform(xmax, ymax, tx1, ty1); BoxObj b1 (tx0, ty0, tx1, ty1); return b1.Intersects(userb); } else { BoxObj b2 (0, 0, xmax, ymax); return b2.Intersects(userb); } }
boolean MultiLine::f_intersects (BoxObj& userb, Graphic* gs) { Coord* convx, *convy; BoxObj b; boolean result = false; getBox(b, gs); if (b.Intersects(userb)) { convx = new Coord[count()+1]; convy = new Coord[count()+1]; transformList(x(), y(), count(), convx, convy, gs); FillPolygonObj fp (convx, convy, count()); result = fp.Intersects(userb); delete convx; delete convy; } return result; }
bool ClosedBSpline::f_intersects (BoxObj& userb, Graphic* gs) { Coord* convx, *convy; BoxObj b; bool result = false; getBox(b, gs); if (b.Intersects(userb)) { convx = new Coord[_count]; convy = new Coord[_count]; transformList(_x, _y, _count, convx, convy, gs); FillPolygonObj fp; fp.ClosedSplineToPolygon(convx, convy, _count); result = fp.Intersects(userb); delete convx; delete convy; } return result; }
boolean Graphic31::intersects_gs (BoxObj& userb, Graphic31* gs) { Coord* convx, *convy; Coord ll, bb, rr, tt; getbounds_gs(ll, bb, rr, tt, gs); BoxObj b(ll, bb, rr, tt);; boolean result = false; if (!_curved && !_fill) { if (b.Intersects(userb)) { convx = new Coord[_ctrlpts+1]; convy = new Coord[_ctrlpts+1]; Xform_gs(_x, _y, _ctrlpts, convx, convy, gs); if (_closed) { convx[_ctrlpts] = *convx; convy[_ctrlpts] = *convy; MultiLineObj ml(convx, convy, _ctrlpts+1); result = ml.Intersects(userb); } else { MultiLineObj ml(convx, convy, _ctrlpts); result = ml.Intersects(userb); } delete convx; delete convy; } return result; } else if (!_curved && _fill) { if (b.Intersects(userb)) { convx = new Coord[_ctrlpts]; convy = new Coord[_ctrlpts]; Xform_gs(_x, _y, _ctrlpts, convx, convy, gs); FillPolygonObj fp (convx, convy, _ctrlpts); result = fp.Intersects(userb); delete convx; delete convy; } return result; } else if (_curved && !_fill) { if (b.Intersects(userb)) { convx = new Coord[_ctrlpts]; convy = new Coord[_ctrlpts]; Xform_gs(_x, _y, _ctrlpts, convx, convy, gs); MultiLineObj ml; if (_closed) { ml.ClosedSplineToPolygon(convx, convy, _ctrlpts); } else { ml.SplineToMultiLine(convx, convy, _ctrlpts); } result = ml.Intersects(userb); delete convx; delete convy; } return result; } else { if (b.Intersects(userb)) { convx = new Coord[_ctrlpts]; convy = new Coord[_ctrlpts]; Xform_gs(_x, _y, _ctrlpts, convx, convy, gs); FillPolygonObj fp; fp.ClosedSplineToPolygon(convx, convy, _ctrlpts); result = fp.Intersects(userb); delete convx; delete convy; } return result; } }